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1 | <?php
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1 | <?php
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2 | 2 | ||
3 | require_once __DIR__ . '/Application.php'; |
3 | require_once __DIR__ . '/Application.php'; |
4 | require_once __DIR__ . '/View.php'; |
4 | require_once __DIR__ . '/View.php'; |
5 | 5 | ||
6 | /* lcfirst() is unavailable before PHP 5.3 */
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6 | /* lcfirst() is unavailable before PHP 5.3 */
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7 | if (false === function_exists('lcfirst')) |
7 | if (false === function_exists('lcfirst')) |
8 | {
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8 | {
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9 | /**
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9 | /**
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10 | * Make a string's first character lowercase
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10 | * Make a string's first character lowercase
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11 | *
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11 | *
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12 | * @param string $str The input string.
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12 | * @param string $str The input string.
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13 | * @return string The resulting string.
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13 | * @return string The resulting string.
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14 | * @link http://www.php.net/manual/en/function.lcfirst.php
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14 | * @link http://www.php.net/manual/en/function.lcfirst.php
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15 | */
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15 | */
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16 | function lcfirst($str) |
16 | function lcfirst($str) |
17 | {
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17 | {
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18 | return strtolower(substr($str, 0, 1)) . substr($str, 1); |
18 | return strtolower(substr($str, 0, 1)) . substr($str, 1); |
19 | }
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19 | }
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20 | }
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20 | }
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21 | 21 | ||
22 | /**
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22 | /**
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23 | * A general controller that can handle views according to
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23 | * A general controller that can handle views according to
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24 | * the MVC pattern
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24 | * the MVC pattern
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25 | *
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25 | *
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26 | * @author tlahn
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26 | * @author tlahn
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27 | */
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27 | */
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28 | abstract class Controller |
28 | abstract class Controller |
29 | {
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29 | {
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30 | /**
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30 | /**
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31 | * Default action of the controller
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31 | * Default action of the controller
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32 | * @var string
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32 | * @var string
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33 | */
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33 | */
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34 | protected $_defaultAction = 'index'; |
34 | protected $_defaultAction = 'index'; |
35 | 35 | ||
36 | /**
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36 | /**
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37 | * The {@link View} used by this controller
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37 | * If an array, maps an action name to an action method of the controller.
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- | 38 | *
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|
- | 39 | * Fallback for IE 7 where the content of a <code>button</code> element
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- | 40 | * is submitted as value.
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38 | *
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41 | *
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- | 42 | * @var array
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|
- | 43 | */
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|
- | 44 | protected $_actionMap = null; |
|
- | 45 | ||
- | 46 | /**
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- | 47 | * The {@link View} used by this controller
|
|
39 | * @var View
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48 | * @var View
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40 | */
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49 | */
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41 | protected $_view = null; |
50 | protected $_view = null; |
42 | 51 | ||
43 | /**
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52 | /**
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44 | * Constructs a controller, initializes the related view,
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53 | * Constructs a controller, initializes the related view,
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45 | * and calls the controller's URI-indicated action method.
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54 | * and calls the controller's URI-indicated action method.
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46 | *
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55 | *
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47 | * @param string $viewClass
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56 | * @param string $viewClass
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48 | * View class. The default is <code>'View'</code>.
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57 | * View class. The default is <code>'View'</code>.
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49 | * @param string $template
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58 | * @param string $template
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50 | * Resource path of the template for the view. The default
|
59 | * Resource path of the template for the view. The default
|
51 | * is the empty string.
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60 | * is the empty string.
|
52 | */
|
61 | */
|
53 | protected function __construct($viewClass = 'View', |
62 | protected function __construct($viewClass = 'View', $template = null) |
54 | $template = null) |
- | |
55 | {
|
63 | {
|
56 | $this->_view = new $viewClass($template); |
64 | $this->_view = new $viewClass($template); |
57 | 65 | ||
58 | Application::getInstance()->setCurrentController($this); |
66 | Application::getInstance()->setCurrentController($this); |
59 | 67 | ||
60 | $action = Application::getParam('action', $_REQUEST); |
68 | $action = Application::getParam('action', $_REQUEST); |
61 | 69 | ||
62 | /* NOTE: No `==='; treat empty action like no specific action */
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70 | /* NOTE: No `==='; treat empty action like no specific action */
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63 | if ($action == null) |
71 | if ($action == null) |
64 | {
|
72 | {
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65 | $action = $this->_defaultAction; |
73 | $action = $this->_defaultAction; |
66 | }
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74 | }
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67 | 75 | ||
68 | $this->{lcfirst($action) . 'Action'}(); |
76 | $actionMethod = lcfirst($action) . 'Action'; |
- | 77 | ||
- | 78 | /* Fallback for IE 7 where the content of a `button' element is submitted as value */
|
|
- | 79 | if (!method_exists($this, $actionMethod)) |
|
- | 80 | {
|
|
- | 81 | if (is_array($this->_actionMap) && array_key_exists($action, $this->_actionMap)) |
|
- | 82 | {
|
|
- | 83 | $actionMethod = $this->_actionMap[$action]; |
|
- | 84 | }
|
|
- | 85 | }
|
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- | 86 | ||
- | 87 | $this->$actionMethod(); |
|
69 | }
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88 | }
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70 | 89 | ||
71 | /**
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90 | /**
|
72 | * Assigns a value to a template variable (after this,
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91 | * Assigns a value to a template variable (after this,
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73 | * <var>$value</var> is available through
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92 | * <var>$value</var> is available through
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74 | * <code>$this-><var>$name</var></code> in the view's template).
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93 | * <code>$this-><var>$name</var></code> in the view's template).
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75 | * <code>Controller</code>s should call this method instead of
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94 | * <code>Controller</code>s should call this method instead of
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76 | * {@link View::assign()}.
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95 | * {@link View::assign()}.
|
77 | *
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96 | *
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78 | * @param string $name
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97 | * @param string $name
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79 | * Variable name
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98 | * Variable name
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80 | * @param mixed $value
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99 | * @param mixed $value
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81 | * Variable value
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100 | * Variable value
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82 | * @param bool $encodeHTML
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101 | * @param bool $encodeHTML
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83 | * If <code>true</code>, replace all potentially conflicting
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102 | * If <code>true</code>, replace all potentially conflicting
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84 | * characters in <var>$value</var> with their HTML entity
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103 | * characters in <var>$value</var> with their HTML entity
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85 | * references. The default is <code>false</code>.
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104 | * references. The default is <code>false</code>.
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86 | * @return mixed The assigned value (after possible HTML encoding)
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105 | * @return mixed The assigned value (after possible HTML encoding)
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87 | * @see View::encodeHTML()
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106 | * @see View::encodeHTML()
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88 | */
|
107 | */
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89 | protected function assign($name, $value, $encodeHTML = false) |
108 | protected function assign($name, $value, $encodeHTML = false) |
90 | {
|
109 | {
|
91 | return $this->_view->assign($name, $value, $encodeHTML); |
110 | return $this->_view->assign($name, $value, $encodeHTML); |
92 | }
|
111 | }
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93 | 112 | ||
94 | /**
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113 | /**
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95 | * Renders the {@link View} associated with this controller
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114 | * Renders the {@link View} associated with this controller
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96 | * by including the <code>View</code>'s template.
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115 | * by including the <code>View</code>'s template.
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97 | * <code>Controller</code>s should call this method instead of
|
116 | * <code>Controller</code>s should call this method instead of
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98 | * <code>View::render()</code>.
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117 | * <code>View::render()</code>.
|
99 | *
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118 | *
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100 | * @param string $template
|
119 | * @param string $template
|
101 | * Optional alternative template resource path.
|
120 | * Optional alternative template resource path.
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102 | * If not provided, the default template (the
|
121 | * If not provided, the default template (the
|
103 | * <code>View</code>'s <code>$template</code> property)
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122 | * <code>View</code>'s <code>$template</code> property)
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104 | * will be used.
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123 | * will be used.
|
105 | */
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124 | */
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106 | public function render($template = null, $content = null) |
125 | public function render($template = null, $content = null) |
107 | {
|
126 | {
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108 | $this->_view->render($template, $content); |
127 | $this->_view->render($template, $content); |
109 | }
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128 | }
|
110 | }
|
129 | }
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111 | 130 | ||
112 | ?>
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131 | ?>
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